123012002101 has 8 divisors (see below), whose sum is σ = 123731308064. Its totient is φ = 122293132560.

The previous prime is 123012002083. The next prime is 123012002107. The reversal of 123012002101 is 101200210321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123012002101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123012002107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465070 + ... + 679936.

It is an arithmetic number, because the mean of its divisors is an integer number (15466413508).

Almost surely, 2^123012002101 is an apocalyptic number.

It is an amenable number.

123012002101 is a deficient number, since it is larger than the sum of its proper divisors (719305963).

123012002101 is a wasteful number, since it uses less digits than its factorization.

123012002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218211.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 123012002101 its reverse (101200210321), we get a palindrome (224212212422).

The spelling of 123012002101 in words is "one hundred twenty-three billion, twelve million, two thousand, one hundred one".